How can linen be washed to remove bedbug traces? - briefly
Wash the linens in water at least 120 °F (49 °C) with a strong detergent, then rinse thoroughly and dry on the highest dryer setting for a minimum of 30 minutes. Heat treatment kills any remaining bed‑bug residues and eggs.
How can linen be washed to remove bedbug traces? - in detail
Linen that may have been exposed to Cimex lectularius requires a rigorous laundering protocol to eliminate all biological residues and viable insects. The process consists of temperature control, chemical treatment, drying, and post‑wash handling.
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Water temperature – Use hot water at a minimum of 60 °C (140 °F). This temperature exceeds the thermal tolerance of all life stages of the pest, causing immediate mortality. For fabrics that can tolerate higher heat, 70 °C (158 °F) provides an additional safety margin.
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Detergent selection – Apply a high‑efficiency, enzyme‑based detergent. Enzymes break down proteinaceous material such as hemolymph and fecal remnants, reducing the risk of allergic reactions. A concentration of 1–2 % active ingredient per load is sufficient.
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Additive agents – Incorporate a non‑ionic surfactant or a laundry sanitizer containing hydrogen peroxide (3 %) or quaternary ammonium compounds. These agents disrupt insect exoskeletons and dissolve residual oils, enhancing overall decontamination.
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Cycle duration – Extend the wash cycle to 30–45 minutes. Prolonged exposure ensures complete penetration of heat and chemicals into tightly woven fibers.
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Rinse phase – Perform at least two thorough rinses with hot water. Multiple rinses remove detergent residues that could otherwise mask trace contamination.
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Drying method – Transfer linens immediately to a dryer set at a minimum of 70 °C (158 °F) for 30 minutes. The combination of high temperature and tumbling dislodges any surviving eggs or nymphs and prevents re‑infestation.
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Post‑dry handling – Store laundered items in sealed, airtight containers until use. This prevents re‑contamination from ambient environments.
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Equipment maintenance – Clean washing machines and dryers after each cycle. Run an empty hot‑water wash with a commercial disinfectant to eradicate any residual insects in the appliance.
Following this comprehensive regimen guarantees that all detectable traces of bedbugs are removed from linen, rendering the fabric safe for continued use. «»